Portable Pioneer Plant
Intermittent
Surface
Stone
Operator: Ferraiolo Construction
Controller: John Ferraiolo; Vincent Ferraiolo
Location: Rockland, Knox County, ME
Employees: 4
212
Violations
76
S&S Violations
2
Accidents
$76K
Penalties
Recent Violations
View all 212 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 12/02/2025 | 56.14132(a) | S&S | LowNegligence | $165 |
| 11/13/2025 | 56.14132(a) | Non-S&S | ModNegligence | $151 |
| 11/13/2025 | 56.14132(a) | Non-S&S | LowNegligence | $151 |
| 11/13/2025 | 56.3200 | S&S | ModNegligence | $366 |
| 11/12/2025 | 56.20003(a) | S&S | ModNegligence | $151 |
| 11/12/2025 | 47.41(a) | Non-S&S | ModNegligence | $151 |
| 11/12/2025 | 56.18002(b) | Non-S&S | HighNegligence | $432 |
| 11/12/2025 | 56.14103(a) | Non-S&S | HighNegligence | $245 |
| 08/20/2025 | 56.4101 | Non-S&S | LowNegligence | $151 |
| 08/20/2025 | 56.14132(a) | Non-S&S | LowNegligence | $151 |
| 08/20/2025 | 50.30(a) | Non-S&S | ModNegligence | $151 |
| 07/10/2024 | 56.11001 | S&S | ModNegligence | $388 |
| 07/10/2024 | 56.1000 | Non-S&S | ModNegligence | $147 |
| 11/21/2023 | 56.14206(b) | Non-S&S | ModNegligence | $143 |
| 11/21/2023 | 56.14207 | Non-S&S | ModNegligence | $143 |
| 11/21/2023 | 56.14206(b) | Non-S&S | LowNegligence | $143 |
| 10/25/2023 | 56.18002(b) | Non-S&S | HighNegligence | $143 |
| 10/25/2023 | 56.14112(b) | S&S | HighNegligence | $558 |
| 10/25/2023 | 56.14112(b) | S&S | HighNegligence | $558 |
| 10/25/2023 | 56.14112(b) | S&S | HighNegligence | $558 |
Accidents & Injuries
View all 2 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 10/08/2021 | HANDTOOLS (NONPOWERED) | DAYS AWAY FROM WORK ONLY | None |
| 10/28/2011 | SLIP OR FALL OF PERSON | DYS AWY FRM WRK & RESTRCTD ACT | 15d lost, 7d restricted |
Inspections
View all 48 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 11/12/2025 | 12/04/2025 | 37.25 | 1 |
| 08/18/2025 | 08/21/2025 | 33.50 | 1 |
| 07/10/2024 | 07/12/2024 | 6.50 | 1 |
| 11/21/2023 | 11/21/2023 | 7.00 | 1 |
| 10/25/2023 | 10/27/2023 | 11.50 | 1 |
| 05/17/2023 | 05/17/2023 | 2.00 | 1 |
| 02/21/2023 | 02/27/2023 | 24.75 | 1 |
| 11/14/2022 | 11/15/2022 | 15.50 | 1 |
| 10/21/2021 | 10/22/2021 | 5.00 | 1 |
| 10/06/2021 | 10/07/2021 | 18.75 | 1 |
Mine Details
MSHA Mine ID1700584
Mine TypeSurface
StatusIntermittent
CommodityStone
SIC DescriptionCrushed, Broken Limestone NEC
Employees4
Days/Week5.0
Hours/Shift9.0
Coordinates44.0955560, -69.1458330
Nearest TownRockland
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Frequently Asked Questions
How many MSHA violations does Portable Pioneer Plant have?
Portable Pioneer Plant has 212 MSHA violations on record, of which 76 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $76K.
What type of mine is Portable Pioneer Plant?
Portable Pioneer Plant is a Surface mine producing Stone, located in Rockland, Knox County, ME. It currently has 4 employees.
Has anyone been injured or killed at Portable Pioneer Plant?
According to MSHA records, Portable Pioneer Plant has 2 reported accident/injury records and 0 fatalities on file.
Who operates Portable Pioneer Plant?
Portable Pioneer Plant is operated by Ferraiolo Construction and controlled by John Ferraiolo; Vincent Ferraiolo. MSHA Mine ID: 1700584.